<?xml version="1.0" encoding="UTF-8"?>
<document>
  <title>Sample XML Document</title>
  <content>
    <paragraph>This is a sample XML file for testing.</paragraph>
    <paragraph>It should be detected as XML format.</paragraph>
  </content>
  <metadata>
    <author>Test User</author>
    <created>2024-01-01</created>
  </metadata>
</document>